Arrhenius, Bronsted-Lowry, and Lewis Acids and Bases Answers
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Which term describes a substance that increases the concentration of hydroxide ions in solution?
A
Lewis definition of an acidB
Arrhenius definition of a baseC
Bronsted-Lowry definition of a baseD
Bronsted-Lowry definition of an acid2
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What is the definition of a Lewis acid?
A
a substance that accepts electrons to form a covalent bondB
a substance that donates electrons to form a covalent bondC
a substance that accepts a protonD
a substance that donates a proton3
Consider the reaction below.H2PO4– + H2O H3O+ + HPO42–Which of the following is a base–conjugate acid pair?
A
H2O and H3O+B
H2O and H2PO4–C
H2PO4– and HPO42–D
H2PO4– and H3O+4
Which best describes the definition of Lewis acids and bases?
A
a general definition based on electron structureB
a general definition based on hydrogen ion concentrationC
a specific definition based on a compound’s ability to accept protonsD
a specific definition based on a compound’s ability to donate protons5
Which statement describes the Arrhenius interpretation of acids and bases?
A
It has a wider range of applications than the Bronsted-Lowry interpretation.B
It has a wider range of applications than the Lewis and Bronsted-Lowry interpretations.C
It is used in situations that involve bases that do not produce hydroxide ions.D
It is limited to situations that involve aqueous solutions or specific compounds.6
Consider the reaction below.HClO3 + NH3 NH4+ + ClO3–Which is a base-conjugate acid pair?
A
NH3 and ClO3–B
NH3 and NH4+C
HClO3 and NH3D
HClO3 and NH4+7
What is the Arrhenius definition of an acid?
A
A substance that increases H3O+ concentration when it is dissolved in water.B
A substance that increases OH– concentration when it is dissolved in water.C
A compound that donates protons.D
A compound that accepts protons.8
Which reaction displays an example of an Arrhenius base?
A
NaOH(s) Na+(aq) + OH–(aq)
B
HCl(g) + H2O(l) H3O+(aq) + Cl–(aq)
C
CH3COOH(aq) + H2O(l) H3O+(aq) + CH3COO–(aq)
D
NH3(aq) + HC2H3O2(aq) NH4+(aq) + C2H3O2–(aq)
9
Which is a characteristic of a Lewis base?
A
It behaves as the electron donor.B
It behaves as the electron acceptor.C
It donates a hydrogen ion to other compounds.D
It increases the concentration of hydrogen ions.10
Which statement best describes a Bronsted-Lowry base?
A
It must accept protons to form a conjugate base.B
It must accept protons to form a conjugate acid.C
It must donate protons to form a conjugate base.D
It must donate protons to form a conjugate acid.Did you find these answers helpful?
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